MainStar

The REPU system (abbreviated from English – "reputation") is a revolutionary project that allows you to completely rethink the way social networks are perceived. REPU is a rating and feedback system based on decentralized blockchain technology. Technology allows you to completely replace the system of “likes” with the rating - both for users and for companies. The rating, subsequently, can be used as an assessment tool in various areas of the individual’s life - starting with professional skills, financial stability, and ending with all possible aspects of behavior and interaction with the public.

Safein is a blockchain-based single sign-on identity management platform ensuring security, comfort and trust for our customers. With Safein, users can easily demonstrate their true identity online where needed and control the extent of their personal data given out to various service providers.

Beyond Seen Screen has created a platform that enables interactivity with video content. With Beyond Seen Screen watching video content is no longer a passive action, a one-way street. The platform enables content producers and content distribution companies to link additional information to the video content. Viewers will no longer only passively receive adverts, trailers and other video content but will have ability to interactively engage with them by using their mobile device.

KardiaChain is the blockchain of blockchains. A scalable and interoperable blockchain platform for decentralized applications. Our Vision: We believe Blockchain can create equal opportunities for people, a world where people have access to opportunity to invest, to start a business, to work and to be socially mobile. Our technology empowers mass adoption, expand use-cases and lay foundation of the blockchain ecosystem. We are building a blockchain platform for decentralised applications helping to create a blockchain ecosystem that allows for scaling and connecting disparate blockchains. Our Core Technology is: - Dual Node - Elastic Sharding With Incentive Mechanism (ESWIM) - Kardia Smart Contract Markup Language (KSML) Our Use cases are: - Supply Chain Management - Fully Decentralised Cross-chain Exchange - Smart City

Adrealm aims to rebuild the digital advertising ecosystem and cultivate a self-sustaining open ecosystem for all participants to achieve advertising efficiency. Built on ERC-20 standard of the Ethereum platform, Adrealm connects advertisers, service providers, content publishers, developers etc on its decentralized public ledger ensuring privacy and no third-party management of data. Thanks to its three-tier architecture made of an on-chain layer, off-chain layer, and a service layer, speed and efficiency can be guaranteed and the industry pain-points such as fraud, low-quality ads, and data leakage can be overcome. Adrealm relies on a particular consensus mechanism called Proof of Valid Traffic (PoVT) that makes high-quality ads and traffic the fundamental criteria for the operational success of transactions.

The SherCoin team has realized that the best way to create a good cryptocurrency that will achieve mass adoption is by creating a multi-functional token that has more than one utility. Most of the altcoins are Ethereum-based coins that only offer one application. SherCoin features five different related applications in one. The ecosystem has a theme: User provide valuable economic services for businesses such: as checking market place for counterfeits, reporting fake or suspicious products; filling out surveys and giving information, feedback, and data, so business can make informed decisions; giving the users an easy way to manage the cryptos the earned; and then giving them outlets to spend/exchange their tokens.